Institute CSP and remove RECAPTCHA
Update nav when user name is updated
Reposition Favorites button in nav bar
Remove onclick handlers
Remove Course Code column in teacher class table
Put zombie instructions into modal
Correct digest errors in chart exercise
Correct digest errors in form & sent exercises
Correct digest errors in pyramides game
Correct navigation to quiz exercises
Correct vertical alignment on data and record pages
Do not clear path on logout before showing signup modal
Minor tweaks to signup modal